Scaling up a school-based intervention to increase physical activity and reduce sedentary behaviour in children: Protocol for the TransformUs hybrid effectiveness-implementation trial
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Date
2023
Authors
Koorts, H.
Timperio, A.
Lonsdale, C.
Ridgers, N.D.
Lubans, D.R.
Della Gatta, J.
Bauman, A.
Telford, A.
Barnett, L.
Lamb, K.E.
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Journal article
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BMJ Open, 2023; 13(10):e078410-
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<h4>Introduction</h4>Efficacious programmes require implementation at scale to maximise their public health impact. <i>TransformUs</i> is an efficacious behavioural and environmental intervention for increasing primary (elementary) school children's (5-12 years) physical activity and reducing their sedentary behaviour within school and home settings. This paper describes the study protocol of a 5-year effectiveness-implementation trial to assess the scalability and effectiveness of the <i>TransformUs</i> programme.<h4>Methods and analysis</h4>A type II hybrid implementation-effectiveness trial, <i>TransformUs</i> is being disseminated to all primary schools in the state of Victoria, Australia (n=1786). Data are being collected using mixed methods at the system (state government, partner organisations), organisation (school) and individual (teacher, parent and child) levels. Evaluation is based on programme Reach, Effectiveness, Adoption, Implementation and Maintenance (RE-AIM) framework. RE-AIM domains are being measured using a quasi-experimental, pre/post, non-equivalent group design, at baseline, 12 and 24 months. Effectiveness will be determined in a subsample of 20 intervention schools (in Victoria) and 20 control schools (in New South Wales (NSW), Australia), at baseline, 12 and 24 months. Primary outcomes include <i>TransformUs</i> Reach, Adoption, Implementation and organisational Maintenance (implementation trial), and children's physical activity and sedentary time assessed using accelerometers (effectiveness trial). Secondary outcomes include average sedentary time and moderate to vigorous-intensity physical activity on weekdays and during school hours, body mass index z-scores and waist circumference (effectiveness trial). Linear mixed-effects models will be fitted to compare outcomes between intervention and control participants accounting for clustering of children within schools, confounding and random effects.<h4>Ethics and dissemination</h4>The trial was approved by the Deakin University Human Research Ethics Committee (HEAG-H 28_2017), Victorian Department of Education, the NSW Department of Education, Australian Catholic University (2017-145R), Melbourne Archdiocese Catholic Schools and Catholic Schools NSW. Partners, schools/teachers and parents will provide an informed signed consent form prior to participating. Parents will provide consent for their child to participate in the effectiveness trial. Findings will be disseminated via peer-reviewed publications, scientific conferences, summary reports to schools and our partner organisations, and will inform education policy and practice on effective and sustainable ways to promote physical activity and reduce sedentary behaviours population-wide.<h4>Trial registration number</h4>Australian Clinical Trials Registration Registry (ACTRN12617000204347).
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Data source: Supplementary material, https://doi.org/10.1136/bmjopen-2023-078410
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Copyright 2023 The Author(s) (or their employer(s)). Re- use permitted under CC BY- NC. No commercial re- use. This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. (http://creativecommons.org/licenses/by-nc/4.0/)